From 77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 Mon Sep 17 00:00:00 2001 From: Valentin Vidic Date: Tue, 15 Oct 2019 22:20:20 +0200 Subject: net: usb: sr9800: fix uninitialized local variable Make sure res does not contain random value if the call to sr_read_cmd fails for some reason. Reported-by: syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com Signed-off-by: Valentin Vidic Signed-off-by: David S. Miller --- drivers/net/usb/sr9800.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/usb/sr9800.c') diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c index c5d4a0060124..681e0def6356 100644 --- a/drivers/net/usb/sr9800.c +++ b/drivers/net/usb/sr9800.c @@ -335,7 +335,7 @@ static void sr_set_multicast(struct net_device *net) static int sr_mdio_read(struct net_device *net, int phy_id, int loc) { struct usbnet *dev = netdev_priv(net); - __le16 res; + __le16 res = 0; mutex_lock(&dev->phy_mutex); sr_set_sw_mii(dev); -- cgit v1.2.3